<template>
  <div id="app">
    <mt-header fixed title="古城鑫鑫易购">
      <span slot="left" @click="goBack" v-show="flag">
        <mt-button icon="back">返回</mt-button>
    </span>
    
    </mt-header>
    <transition>
       <router-view>    </router-view>
     </transition>
    <nav class="mui-bar mui-bar-tab">
			<router-link class="mui-tab-itemli" to="/home">
				<span class="mui-icon mui-icon-home"></span>
				<span class="mui-tab-label">首页</span>
			</router-link>
			<router-link class="mui-tab-itemli" to="/member">
				<span class="mui-icon  mui-icon-contact"></span>
				<span class="mui-tab-label">会员</span>
			</router-link>
			<router-link class="mui-tab-itemli" to="/shopcar">
				<span class="mui-icon mui-icon-extra  mui-icon-extra-cart"><span class="mui-badge">{{this.$store.getters.getAllcount}}</span></span>
				<span class="mui-tab-label" id="badge">购物车</span>
			</router-link>
			<router-link class="mui-tab-itemli" to="/search">
				<span class="mui-icon mui-icon-search"></span>
				<span class="mui-tab-label">搜索</span>
			</router-link>
		</nav>
  </div>
</template>

<script>
export default {
   name: 'App',
  data() {
    return {
      flag: false
    };
  },
  created() {
    this.flag = this.$route.path === "/home" ? false : true;
  },
  methods: {
    goBack() {
      // 点击后退
      this.$router.go(-1);
    }
  },
  watch: {
    "$route.path": function(newVal) {
      if (newVal === "/home") {
        this.flag = false;
      } else {
        this.flag = true;
      }
    }
  }
};

</script>

<style scoped>
     #app{
      margin-top:40px;
      margin-bottom:40px;
      overflow:hidden;
    } 
    .v-enter {
      opacity:0;
      transform:translateX(100%);
    }
    .v-leave-to{
      opacity:0;
      transform:translateX(-100%);
      position:absolute;
    }
    .v-enter-active,
    .v-leave-active{
       transition: all 0.8s ease;
    }
    .mui-bar-tab .mui-tab-itemli.mui-active {
    color: #007aff;
  }
  .mui-bar-tab .mui-tab-itemli {
    display: table-cell;
    overflow: hidden;
    width: 1%;
    height: 50px;
    text-align: center;
    vertical-align: middle;
    white-space: nowrap;
    text-overflow: ellipsis;
    color: #929292;
}
.mui-bar-tab .mui-tab-itemli .mui-icon {
  top: 3px;
  width: 24px;
  height: 24px;
  padding-top: 0;
  padding-bottom: 0;
}
.mui-bar-tab .mui-tab-itemli .mui-icon ~ .mui-tab-label {
    font-size: 11px;
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
}
</style>
